package com.kylin.gulimall.product.exception;

import com.kylin.common.exception.BizCodeEnum;
import com.kylin.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 统一异常处理
 *
 * @author kylin
 */
//@RequestBody
//@ControllerAdvice(basePackages = "com.kylin.gulimall.product.controller")
@Slf4j
@RestControllerAdvice(basePackages = "com.kylin.gulimall.product.controller")
public class MallExceptionControllerAdvice {


    /**
     * 处理JSR303校验抛出的异常
     */
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handlerValidException(MethodArgumentNotValidException e) {
        log.error("数据校验出现问题{},异常类型{}", e.getMessage(), e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> map = new HashMap<>(16);
        bindingResult.getFieldErrors().forEach(fieldError -> {
            map.put(fieldError.getField(), fieldError.getDefaultMessage());
        });
        return R.error(BizCodeEnum.VALID_EXCEPTION.getCode(), BizCodeEnum.VALID_EXCEPTION.getMsg()).put("data", map);
    }

    /**
     * 处理所有异常
     */
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable) {
        return R.error(BizCodeEnum.UNKNOWN_EXCEPTION.getCode(), BizCodeEnum.UNKNOWN_EXCEPTION.getMsg());
    }
}
